chore(deps): update alpine:3 docker digest to 4b7ce07

Author: renovate[bot]

Dockerfile

@@ -5,7 +5,7 @@ COPY . .
 RUN go install ./cmd/${cmd}
 
 # Start fresh from a smaller image
-FROM alpine:3@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1
+FROM alpine:3@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412
 ARG cmd
 COPY --from=build_go /go/bin/${cmd} /app
 WORKDIR /data